KR19990032911A - 다층관의 제법 - Google Patents
다층관의 제법 Download PDFInfo
- Publication number
- KR19990032911A KR19990032911A KR1019970054102A KR19970054102A KR19990032911A KR 19990032911 A KR19990032911 A KR 19990032911A KR 1019970054102 A KR1019970054102 A KR 1019970054102A KR 19970054102 A KR19970054102 A KR 19970054102A KR 19990032911 A KR19990032911 A KR 19990032911A
- Authority
- KR
- South Korea
- Prior art keywords
- tube
- pro
- wound
- laminated
- hollow chamber
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
Claims (1)
- 열가소성 플라스틱으로 이루어진 적어도 한 개의 감은 층을 포함하는 다층관의 제법에 있어서, 감은 층이 단면능형 또는, 구형의 중공실프로휠(1:1')로 이루어지고, 상기 프로휠의 형상안전성의 달성 후, 그 내측면(1d) 및 그측면(1a 및 1b)을 가소화하고, 내관(2)의 동일하게 가소화한 외면(2b)에 감아붙일 때, 중공실프로휠(1:1')의 인접 스트랜드의 측면(1a 및 1b)을 서로 융착시키는 것을 특징으로 하는 다층관제법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970054102A KR19990032911A (ko) | 1997-10-22 | 1997-10-22 | 다층관의 제법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970054102A KR19990032911A (ko) | 1997-10-22 | 1997-10-22 | 다층관의 제법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR19990032911A true KR19990032911A (ko) | 1999-05-15 |
Family
ID=66048190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970054102A KR19990032911A (ko) | 1997-10-22 | 1997-10-22 | 다층관의 제법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR19990032911A (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990064616A (ko) * | 1999-04-17 | 1999-08-05 | 정우현 | 스파이럴 파이프 접착방법 |
KR100897598B1 (ko) * | 2008-05-06 | 2009-05-14 | 미래화학 주식회사 | 물막이벽을 갖는 하수관의 제조장치 |
KR100897596B1 (ko) * | 2008-05-06 | 2009-05-14 | 미래화학 주식회사 | 물막이벽을 갖는 하수관 및 그 제조방법 |
-
1997
- 1997-10-22 KR KR1019970054102A patent/KR19990032911A/ko not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990064616A (ko) * | 1999-04-17 | 1999-08-05 | 정우현 | 스파이럴 파이프 접착방법 |
KR100897598B1 (ko) * | 2008-05-06 | 2009-05-14 | 미래화학 주식회사 | 물막이벽을 갖는 하수관의 제조장치 |
KR100897596B1 (ko) * | 2008-05-06 | 2009-05-14 | 미래화학 주식회사 | 물막이벽을 갖는 하수관 및 그 제조방법 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19971022 |
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PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19971022 Comment text: Request for Examination of Application |
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PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19991030 Patent event code: PE09021S01D |
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E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20000719 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20000202 Comment text: Notification of reason for refusal Patent event code: PE06011S01I Patent event date: 19991030 Comment text: Notification of reason for refusal Patent event code: PE06011S01I Patent event date: 19991029 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |